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Related Concept Videos

Anthelminthic Agents01:15

Anthelminthic Agents

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Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...
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Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
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Microbial Interactions: Parasitism01:22

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Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...
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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
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Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
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Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Worm Infections in Children.

Jill E Weatherhead1, Peter J Hotez1

  • 1Department of Pediatrics (Sections of Infectious Diseases and Tropical Medicine), National School of Tropical Medicine, Baylor College of Medicine, Houston, TX. Sabin Vaccine Institute and Texas Children's Hospital Center for Vaccine Development, Houston, TX.

Pediatrics in Review
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This summary is machine-generated.

Worm infections are a significant global health issue for children, leading to chronic disability and developmental problems. Early diagnosis and mass drug administration are key strategies for control and prevention.

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Area of Science:

  • Global child health
  • Infectious diseases
  • Public health

Background:

  • Worm infections represent a major global child health concern, causing chronic disability extending into adulthood.
  • Common worm infections in developing nations include ascariasis, trichuriasis, hookworm, and schistosomiasis, with toxocariasis, enterobiasis, and cysticercosis prevalent in poorer regions of North America and Europe.
  • Children and adolescents are particularly susceptible to high-intensity worm infections, which are linked to malnutrition, growth stunting, and intellectual deficits.

Purpose of the Study:

  • To highlight the global impact of worm infections on child health.
  • To discuss the morbidity associated with worm burdens.
  • To review current diagnostic and control strategies.

Main Methods:

  • Evidence synthesis based on research findings and expert consensus.
  • Review of epidemiological data on worm infection prevalence.
  • Analysis of diagnostic modalities and treatment strategies.

Main Results:

  • Worm infections contribute to chronic disability, growth stunting, and intellectual deficits in children, often exacerbated by malnutrition.
  • These infections are frequently associated with eosinophilia and can cause inflammation in multiple organ systems, including the lungs, gastrointestinal tract, liver, and urogenital tract.
  • Current diagnostic microscopy methods show limitations in sensitivity and specificity, underscoring the need for advanced techniques like polymerase chain reaction (PCR).

Conclusions:

  • Worm infections pose a significant threat to child health globally, necessitating effective control measures.
  • Mass drug administration (preventive chemotherapy) is a standard public health intervention for controlling intestinal helminths and schistosomiasis in low- and middle-income countries.
  • Improved diagnostic tools and continued public health efforts are crucial for managing and reducing the burden of worm infections in children.